<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity{
        private $_id;
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate() {
        $user = User::model()->findByAttributes(array('use_email' => $this->username));
        // if user not exists
        if ($user === null){
            $this->errorCode = self::ERROR_USERNAME_INVALID;
        }
        else{
            //if ($user->password !== $user->encrypt($this->password)) {
            if ($user->use_password !== $this->password) {
                $this->errorCode = self::ERROR_PASSWORD_INVALID;
            } else {
                $this->_id = $user->use_id;
                $this->errorCode = self::ERROR_NONE;
            }
        }
        return !$this->errorCode;
    }
    public function getId() {
        return $this->_id;
    }
}